Cisco: Cloud Traffic Surge Will Complicate Security

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Hypervisors, the systems that create and operate virtual machines, pose a risk, according to Cisco. Gaining control of a hypervisor could give a hacker an opportunity to steal data from multiple servers. An attack known as hyperjacking can enable a remote attacker to take complete control of a server. To date, the attack has been only proven by security researchers. There have been no documented cases of the attack taking place in the wild.